Monarch: Legacy of Monsters (TV) Cast
The cast of Monarch: Legacy of Monsters. Updated on June 24, 2025.
91 actors
Anna Sawai
as Cate Randa (10 episodes)

Anna Sawai plays Cate Randa in the series.

Kiersey Clemons
as May Hewitt (10 episodes)

Kiersey Clemons portrays May Hewitt.

Ren Watabe
as Kentaro Randa (10 episodes)

Ren Watabe plays Kentaro Randa.

Mari Yamamoto
as Keiko Randa (10 episodes)

Mari Yamamoto is Keiko Randa.

Anders Holm
as Young Bill Randa (10 episodes)

Anders Holm plays Young Bill Randa.

Joe Tippett
as Tim (10 episodes)

Joe Tippett plays Tim.

Elisa Lasowski
as Michelle Duvall (10 episodes)

Elisa Lasowski portrays Michelle Duvall.

Wyatt Russell
as Young Lee Shaw (10 episodes)

Wyatt Russell plays Young Lee Shaw.

Kurt Russell
as Lee Shaw (10 episodes)

Kurt Russell plays the older Lee Shaw.

Takehiro Hira
as Hiroshi Randa (6 episodes)

Takehiro Hira is Hiroshi Randa.

Qyoko Kudo
as Emiko (5 episodes)

Qyoko Kudo plays Emiko.

Hiroshi Ikushima
as Taxi Driver (1 episode)

Hiroshi Ikushima plays the Taxi Driver.

Takeshi Kurokawa
as Male Passenger (1 episode)
Anton Markelov
as Young Hunter (1 episode)
Camille Legg
as Collins (3 episodes)
Hiroko Yano
as Passport Officer (1 episode)
Junichi Tajiri
as Japanese Trawler Captain (1 episode)
Christopher Heyerdahl
as Puckett (5 episodes)
Ryuta Kato
as Desk Sergeant (1 episode)
Yuki Shinno
as Desk Attendant (1 episode)
Kyle Riefsnyder
as Orderly (1 episode)
Adam Kirschner
as Spradlin (1 episode)
Ryan Cowie
as Rossi (1 episode)
Crysthelle Rue
as Local Girl (1 episode)
Jory John
as Albert (1 episode)
Kengo Hashimoto
as Japanese Fisherman (1 episode)
Daisuke Nakagawa
as Japanese Man (1 episode)
Tamlyn Tomita
as Caroline Randa (voice) (2 episodes)
Mirelly Taylor
as Natalia Verdugo (8 episodes)
Bruce Baek
as Du-Ho (2 episodes)
Michael Cha
as Scowling Guard (1 episode)
Scott Seol
as Young Clerk (1 episode)
Ryan Pugsley
as Army General #1 (1 episode)
Eddie Canelea
as Army General #2 (1 episode)
Michael Toney
as Officer (1 episode)
Zachary Branch
as Shirtless GI (1 episode)
Kevin Mundy
as Dead Pilot (1 episode)
Hojung 'Kyle' Kim
as Korean Ship Officer (1 episode)
Aaron Latta-Morissette
as Soldier (1 episode)
Jess Salgueiro
as Dr. Barnes (3 episodes)
Shota Tsuji
as Sota (2 episodes)
Kamilyn Kaneko
as Kimi (1 episode)
Sheyi Ryane
as Major Alaba (1 episode)
Babak Haleky
as Dr. Bagheri (1 episode)
Charlie Hewson
as James (1 episode)
Courtney Dietz
as Dani (1 episode)
Barbara Patrick
as Ticketing Agent (1 episode)
Jasmine Lukuku
as Meg (1 episode)
John Goodman
as Bill Randa (archive footage) (1 episode)
Marika Siewert
as Gate Attendant Carla (1 episode)
Breanne Williamson
as Evin (1 episode)
Jacquelyn Baillie
as Elena (1 episode)
Valencia Budijanto
as Kayla (1 episode)
Billy Christos Jr.
as Chad (1 episode)
Treymont Levy
as Sergeant (1 episode)
Matthew Caza
as Guardsman (1 episode)
Leo Ashizawa
as Dr. Suzuki (2 episodes)
Matthew MacCaull
as Lieutenant Hatch (2 episodes)
Liviu Rain
as General Coleman (1 episode)
Sam Krochmal
as Lobby Boy (1 episode)
Erik Gow
as Lead Singer (1 episode)
Emily Henney
as Backup Singer #1 (1 episode)
Amanda Huxtable
as Backup Singer #2 (1 episode)
Dominic Fugere
as Monarch Guard (1 episode)
Roman Kinsella
as Puckett's Son (1 episode)
Susan Arntsen
as Puckett's Wife (1 episode)
Scott Nicholson
as Rosenstern (1 episode)
Dominique Tipper
as Brenda Holland (2 episodes)
Eisa Davis
as May's Mom (1 episode)
Morgan Dudley
as Lyra (1 episode)
Wonita Joy
as Monarch Supervisor (1 episode)
Mitchell L. Johnson
as Explosives Team Member (1 episode)
Zia Newton
as Oliver (1 episode)
Dave Santana
as Daniel (1 episode)
Julian Lao
as Coffee Patron (1 episode)
Logan Tarasoff
as Goon (1 episode)
Hiro Fodi-Nestman
as Hiroshi (3 Years Old) (1 episode)
Brittany Alexis Palmer
as Konate (1 episode)
Kelton Sakamoto
as Young Hiro (1 episode)
Isaac Keoughan
as Ben Brandy (1 episode)
Lisa Chandler
as Grace Burke (1 episode)
Jonathan Vellner
as Jorgen Hest (1 episode)
Mamie Kakimoto
as Dr. Davis (1 episode)
Charlie Karumi
as Dr. Udekwu (1 episode)
Justin Lacey
as Monarch Tech (1 episode)
Sayo Onishi
as Nurse 1 (1 episode)
Mei Uritani
as Nurse 2 (1 episode)
Sean Hara
as Doctor (1 episode)
Taz VanRassel
as VIP (1 episode)
Frank Crudele
as Stan (1 episode)
Josh Collins
as Sabitha (1 episode)
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